Sudden increase in occurrences of a disease in a particular time and place is known as–

Correct option is A

Sol. An outbreak refers to a sudden increase in the number of cases of a disease in a specific area and time. It is usually localized and may affect a small group or a community. It is used for both epidemic-prone diseases and those under surveillance like cholera, measles, or COVID-19 clusters. Immediate public health action is needed to control the spread.
Explanation of each option:
· (a) Outbreak – Correct. A sudden, localized surge in disease cases is medically termed an outbreak and requires containment measures.
· (b) Inbreak – Incorrect. This is not a recognized epidemiological term in public health or WHO guidelines.
· (c) Disease crisis – Incorrect. This is a general or layman term, not used officially in disease surveillance or health reports.
· (d) All of these – Incorrect. Since only (a) is correct, this option is not valid.